People of all ages are invited to bring a bucket, shovel, friend and family to the Sand Castle and Sand Sculpture Contest from 6 to 8 p.m. on July 13, at Clark Street Beach, 1811 Sheridan Road. Prizes will be awarded in such categories as largest castle and best family effort. City of Evanston’s Recreation Division is the host of the event.

Although the contest is free, participants should preregister from July 1-12 by calling 847-866-4167. Beach admission fees apply to nonresidents; Clark Street beach is free to residents on Mondays July 6-Aug. 24. The contest rain date is Monday, July 20.